#733309
Closest named color: Chestnut (#742802). oklch(40.2% 0.103 47.8), rgb(115, 51, 9).
Aa
White text reads best on this color (9.51:1).
About this color
#733309 is a dark, moderately saturated brown. In OKLCH its lightness is 40%, its chroma 0.103 and its hue 48°. Its hue sits on the warm side of the wheel. The nearest named color is Chestnut (#742802), ΔE 0.023 away. White text reads best on it, at 9.51:1.
| Hue family | Browns |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.103) |
| Temperature | warm |
| Nearest name | Chestnut (#742802) |
| Black text | 2.20:1 |
| White text | 9.51:1 |
Values
| HEX | #733309 |
| RGB | rgb(115, 51, 9) |
| HSL | hsl(24, 85%, 24%) |
| OKLCH | oklch(40.2% 0.103 47.8) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #733309 | 9.51:1 | AAA | Lc -95.8 | Preferred for body text |
| Black text on #733309 | 2.20:1 | Fails | Lc 12.5 | Not readable |
| #733309 text on white | 9.51:1 | AAA | Lc 91.5 | Preferred for body text |
| #733309 text on black | 2.20:1 | Fails | Lc -10.9 | Not readable |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 900.
-
Step 50
50
#FCF4F0
oklch(97.2% 0.01 48.6)
-
Step 100
100
#F7E6DD
oklch(93.6% 0.022 49.9)
-
Step 200
200
#F2D1C1
oklch(88.4% 0.043 47.5)
-
Step 300
300
#EBB296
oklch(80.9% 0.077 47.3)
-
Step 400
400
#DF8759
oklch(70.7% 0.124 47.6)
-
Step 500
500
#D36620
oklch(63.1% 0.158 48.1)
-
Step 600
600
#B75000
oklch(55.5% 0.152 47.7)
-
Step 700
700
#9B4300
oklch(49.2% 0.134 47.9)
-
Step 800
800
#803600
oklch(42.8% 0.117 47.8)
-
Step 900
900 (this color)
#733309
oklch(40.2% 0.103 47.8)
-
Step 950
950
#3F1B05
oklch(27% 0.065 48.8)
#733309 with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #463D02 | 0.092 |
| Deuteranopia (no green cones) | #554B07 | 0.084 |
| Tritanopia (no blue cones) | #7F242B | 0.058 |
| Achromatopsia (no color) | #454545 | 0.104 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #733309
#733309
oklch(40.2% 0.103 47.8)
- #005069
#005069
oklch(40.2% 0.078 227.5)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #733309, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chestnut #742802 ΔE 0.023
- Rust Brown #8B3103 ΔE 0.049
- Red Brown #8B2E16 ΔE 0.052
- Mud Brown #60460F ΔE 0.059
- Purple Brown #673A3F ΔE 0.062
- Brown Red #922B05 ΔE 0.063
- Brick Red #8F1402 ΔE 0.068
- Reddy Brown #6E1005 ΔE 0.068
Use #733309 in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.